Understanding Whooping Cough. Continue.
Relieve Ear Pressure While Flying. Here's what you can do.
If There's a Wildfire Nearby. Continue.
Living With Pulmonary Hypertension. High blood pressure in narrowed lung arteries.
What Causes a Cold Sore? Factors can include injury or stress.
Hundreds of Kids Forced Into Quarantine As Measles Outbreaks Spread
Interim CDC Chief Calls for Separate MMR Shots
CDC Leaves COVID Vaccination Up to Patients
Minnesota Confirms 10 New Measles Cases, All in Unvaccinated Travelers
Kids' Long COVID Risk Doubles After Second Infection, Researchers Say
HPV Vaccine Protecting Against Infections, Even Among Unvaccinated